The answer depends on the units used for 60*60 and since you have not provided that information, there cannot be a sensible answer to the question.
how many square feet in 25 feet by 6 feet
10279 square feet.
How many square feet are in the world?
About 430.5 square feet. (430.556417 square feet)
The answer will depend on the units for 60x60.
400 square feet = 400 x 144 = 57600 square inches Number of 60 x 60 square inch in 57600 is 57600/3600 = 576/36 = 16
If that is 60" tiles it would take 16 total.
The answer depends on the units used for 60*60 and since you have not provided that information, there cannot be a sensible answer to the question.
how many square feet in 25 feet by 6 feet
10279 square feet.
2178 square feet.2178 square feet.2178 square feet.2178 square feet.
How many square feet are in the world?
About 430.5 square feet. (430.556417 square feet)
96 square feet
3.472 square feet.
About 1,400 square feet. (1,399.30835 square feet).